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Apply fontsize to both x- and y-axis tick labels #15161

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Merged
merged 3 commits into from
Jan 20, 2017
Merged

Apply fontsize to both x- and y-axis tick labels #15161

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a4c0d01
Apply fontsize to both x- and y-axis tick labels
cbrnr Jan 19, 2017
74992e0
Add tests
cbrnr Jan 19, 2017
b225805
Add note in whatsnew
cbrnr Jan 20, 2017
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3 changes: 3 additions & 0 deletions doc/source/whatsnew/v0.20.0.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -439,6 +439,9 @@ Bug Fixes
- Bug in ``pd.read_csv()`` for the C engine where ``usecols`` were being indexed incorrectly with ``parse_dates`` (:issue:`14792`)

- Bug in ``Series.dt.round`` inconsistent behaviour on NAT's with different arguments (:issue:`14940`)

- Bug in ``.read_json()`` for Python 2 where ``lines=True`` and contents contain non-ascii unicode characters (:issue:`15132`)

- Bug in ``pd.read_csv()`` with ``float_precision='round_trip'`` which caused a segfault when a text entry is parsed (:issue:`15140`)

- Bug in ``DataFrame.boxplot`` where ``fontsize`` was not applied to the tick labels on both axes (:issue:`15108`)
10 changes: 10 additions & 0 deletions pandas/tests/plotting/test_boxplot_method.py
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Expand Up @@ -158,6 +158,11 @@ def test_boxplot_empty_column(self):
df.loc[:, 0] = np.nan
_check_plot_works(df.boxplot, return_type='axes')

def test_fontsize(self):
df = DataFrame({"a": [1, 2, 3, 4, 5, 6]})
self._check_ticks_props(df.boxplot("a", fontsize=16),
xlabelsize=16, ylabelsize=16)


@tm.mplskip
class TestDataFrameGroupByPlots(TestPlotBase):
Expand Down Expand Up @@ -369,6 +374,11 @@ def test_grouped_box_multiple_axes(self):
with tm.assert_produces_warning(UserWarning):
axes = df.groupby('classroom').boxplot(ax=axes)

def test_fontsize(self):
df = DataFrame({"a": [1, 2, 3, 4, 5, 6], "b": [0, 0, 0, 1, 1, 1]})
self._check_ticks_props(df.boxplot("a", by="b", fontsize=16),
xlabelsize=16, ylabelsize=16)


if __name__ == '__main__':
nose.runmodule(argv=[__file__, '-vvs', '-x', '--pdb', '--pdb-failure'],
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6 changes: 4 additions & 2 deletions pandas/tools/plotting.py
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Expand Up @@ -2768,10 +2768,12 @@ def plot_group(keys, values, ax):
keys = [pprint_thing(x) for x in keys]
values = [remove_na(v) for v in values]
bp = ax.boxplot(values, **kwds)
if fontsize is not None:
ax.tick_params(axis='both', labelsize=fontsize)
if kwds.get('vert', 1):
ax.set_xticklabels(keys, rotation=rot, fontsize=fontsize)
ax.set_xticklabels(keys, rotation=rot)
else:
ax.set_yticklabels(keys, rotation=rot, fontsize=fontsize)
ax.set_yticklabels(keys, rotation=rot)
maybe_color_bp(bp)

# Return axes in multiplot case, maybe revisit later # 985
Expand Down